To access Central London including Leicester Square, Covent Garden, Trafalgar Square, Piccadilly and Soho take the Victoria Line (light blue) Northbound from Pimlico and change at Green Park to the Picadilly line (blue) Westbound.
For the Houses of Parliament, Big Ben, London Eye and the London South Bank take the Circle Line from Victoria and get off either at Westminster or Embankment.
After Midnight, there are a variety of night buses to get you back from the West End or other areas of Central London. For example, from Soho or Aldwych walk to Cambridge Circus and take the 24, which runs all night to Belgrave Road. Other night buses to look out for are the N11, N44.
Heathrow – (Cheap) Take the London Underground (Piccadilly) and change at Earls Court to the District Line towards Upminster. Get off at Victoria and the hostel is a 10-minute walk. (Fast-ish) Take the Heathrow Express to Paddington and get on the Circle Line to Victoria.
Gatwick – (Cheap) BOOK IN ADVANCE Coach to Earls Court then take the London Underground (District) towards Upminster to Victoria. (Fast) Take the Gatwick Express to Victoria Station then it is a 10-minute walk to the hostel.
Stanstead – BOOK IN ADVANCE Coach to Baker Street then take the London Underground (Circle) to Bayswater.
Luton – BOOK IN ADVANCE Coach to Marble Arch then take the London Underground (Central) to Oxford Circus and change to the Victoria line Southbound, get off at Victoria.